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examples/CMakeLists.txt
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<font color='#009900'>#</font>
<font color='#009900'>#  _______ _    _ _____  _____     _____  _____                 </font>
<font color='#009900'># |__   __| |  | |_   _|/ ____|   |_   _|/ ____|       /\       </font>
<font color='#009900'>#    | |  | |__| | | | | (___       | | | (___        /  \      </font>
<font color='#009900'>#    | |  |  __  | | |  \___ \      | |  \___ \      / /\ \     </font>
<font color='#009900'>#    | |  | |  | |_| |_ ____) |    _| |_ ____) |    / ____ \    </font>
<font color='#009900'>#    |_|__|_|_ |_|_____|_____/__  |_____|_____/    /_/  _ \_\   </font>
<font color='#009900'>#   |__   __| |  | |__   __/ __ \|  __ \|_   _|   /\   | |      </font>
<font color='#009900'>#      | |  | |  | |  | | | |  | | |__) | | |    /  \  | |      </font>
<font color='#009900'>#      | |  | |  | |  | | | |  | |  _  /  | |   / /\ \ | |      </font>
<font color='#009900'>#      | |  | |__| |  | | | |__| | | \ \ _| |_ / ____ \| |____  </font>
<font color='#009900'>#      |_|   \____/   |_|  \____/|_|  \_\_____/_/    \_\______| </font>
<font color='#009900'>#</font>
<font color='#009900'>#</font>
<font color='#009900'>#    _____  ______          _____      _______ _    _ ______       </font>
<font color='#009900'>#   |  __ \|  ____|   /\   |  __ \    |__   __| |  | |  ____|      </font>
<font color='#009900'>#   | |__) | |__     /  \  | |  | |      | |  | |__| | |__         </font>
<font color='#009900'>#   |  _  /|  __|   / /\ \ | |  | |      | |  |  __  |  __|        </font>
<font color='#009900'>#   | | \ \| |____ / ____ \| |__| |      | |  | |  | | |____       </font>
<font color='#009900'>#   |_|__\_\______/_/_ __\_\_____/__ _   |_|__|_|_ |_|______|_ _ _ </font>
<font color='#009900'>#  / ____/ __ \|  \/  |  \/  |  ____| \ | |__   __/ ____| | | | | |</font>
<font color='#009900'># | |   | |  | | \  / | \  / | |__  |  \| |  | | | (___   | | | | |</font>
<font color='#009900'># | |   | |  | | |\/| | |\/| |  __| | . ` |  | |  \___ \  | | | | |</font>
<font color='#009900'># | |___| |__| | |  | | |  | | |____| |\  |  | |  ____) | |_|_|_|_|</font>
<font color='#009900'>#  \_____\____/|_|  |_|_|  |_|______|_| \_|  |_| |_____/  (_|_|_|_)</font>
<font color='#009900'>#                                                                  </font>
<font color='#009900'>#</font>
<font color='#009900'>#</font>
<font color='#009900'># This is a CMake makefile.  CMake is a tool that helps you build C++ programs.</font>
<font color='#009900'># You can download CMake from http://www.cmake.org.  This CMakeLists.txt file</font>
<font color='#009900'># you are reading builds dlib's example programs. </font>
<font color='#009900'>#</font>


<font color='blue'>cmake_minimum_required</font>(VERSION 2.8.12)
<font color='#009900'># Every project needs a name.  We call this the "<font color='#CC0000'>examples</font>" project.</font>
<font color='blue'>project</font>(examples)


<font color='#009900'># Tell cmake we will need dlib.  This command will pull in dlib and compile it</font>
<font color='#009900'># into your project.  Note that you don't need to compile or install dlib.  All</font>
<font color='#009900'># cmake needs is the dlib source code folder and it will take care of everything.</font>
<font color='blue'>add_subdirectory</font>(../dlib <a href='../dlib/CMakeLists.txt.html'>dlib_build</a>)

<font color='#009900'># If you have cmake 3.14 or newer you can even use FetchContent instead of</font>
<font color='#009900'># add_subdirectory() <a href=')/CMakeLists.txt.html'>to</a> pull in dlib as a dependency.  So instead of using the</font>
<font color='#009900'># above add_subdirectory() <a href=')/CMakeLists.txt.html'>command,</a> you could use the following three commands</font>
<font color='#009900'># to make dlib available:</font>
<font color='#009900'>#  include(FetchContent)</font>
<font color='#009900'>#  FetchContent_Declare(dlib</font>
<font color='#009900'>#      GIT_REPOSITORY https://github.com/davisking/dlib.git</font>
<font color='#009900'>#      GIT_TAG        v19.18</font>
<font color='#009900'>#  )</font>
<font color='#009900'>#  FetchContent_MakeAvailable(dlib)</font>


<font color='#009900'># The next thing we need to do is tell CMake about the code you want to</font>
<font color='#009900'># compile.  We do this with the add_executable() statement which takes the name</font>
<font color='#009900'># of the output executable and then a list of .cpp files to compile.  Here we</font>
<font color='#009900'># are going to compile one of the dlib example programs which has only one .cpp</font>
<font color='#009900'># file, assignment_learning_ex.cpp.  If your program consisted of multiple .cpp</font>
<font color='#009900'># files you would simply list them here in the add_executable() statement.  </font>
<font color='blue'>add_executable</font>(assignment_learning_ex assignment_learning_ex.cpp)
<font color='#009900'># Finally, you need to tell CMake that this program, assignment_learning_ex,</font>
<font color='#009900'># depends on dlib.  You do that with this statement: </font>
<font color='blue'>target_link_libraries</font>(assignment_learning_ex dlib::dlib)



<font color='#009900'># To compile this program all you need to do is ask cmake.  You would type</font>
<font color='#009900'># these commands from within the directory containing this CMakeLists.txt</font>
<font color='#009900'># file:</font>
<font color='#009900'>#   mkdir build</font>
<font color='#009900'>#   cd build</font>
<font color='#009900'>#   cmake ..</font>
<font color='#009900'>#   cmake --build . --config Release</font>
<font color='#009900'>#</font>
<font color='#009900'># The cmake .. command looks in the parent folder for a file named</font>
<font color='#009900'># CMakeLists.txt, reads it, and sets up everything needed to build program.</font>
<font color='#009900'># Also, note that CMake can generate Visual Studio or XCode project files.  So</font>
<font color='#009900'># if instead you had written:</font>
<font color='#009900'>#   cd build</font>
<font color='#009900'>#   cmake .. -G Xcode</font>
<font color='#009900'>#</font>
<font color='#009900'># You would be able to open the resulting Xcode project and compile and edit</font>
<font color='#009900'># the example programs within the Xcode IDE.  CMake can generate a lot of</font>
<font color='#009900'># different types of IDE projects.  Run the cmake -h command to see a list of</font>
<font color='#009900'># arguments to -G to see what kinds of projects cmake can generate for you.  It</font>
<font color='#009900'># probably includes your favorite IDE in the list.</font>




<font color='#009900'>#################################################################################</font>
<font color='#009900'>#################################################################################</font>
<font color='#009900'>#  A CMakeLists.txt file can compile more than just one program.  So below we</font>
<font color='#009900'>#  tell it to compile the other dlib example programs using pretty much the</font>
<font color='#009900'>#  same CMake commands we used above.</font>
<font color='#009900'>#################################################################################</font>
<font color='#009900'>#################################################################################</font>


<font color='#009900'># Since there are a lot of examples I'm going to use a macro to simplify this</font>
<font color='#009900'># CMakeLists.txt file.  However, usually you will create only one executable in</font>
<font color='#009900'># your cmake projects and use the syntax shown above.</font>
<font color='blue'>macro</font>(add_example name)
<font color='blue'>   add_executable</font>(${<font color='#BB00BB'>name</font>} ${<font color='#BB00BB'>name</font>}.cpp)
<font color='blue'>   target_link_libraries</font>(${<font color='#BB00BB'>name</font>} dlib::dlib )
<font color='blue'>endmacro</font>()

<font color='#009900'># if an example requires GUI, call this macro to check DLIB_NO_GUI_SUPPORT to include or exclude</font>
<font color='blue'>macro</font>(add_gui_example name)
<font color='blue'>   if </font>(DLIB_NO_GUI_SUPPORT)
<font color='blue'>      message</font>("<font color='#CC0000'>No GUI support, so we won't build the ${<font color='#BB00BB'>name</font>} example.</font>")
<font color='blue'>   else</font>()
<font color='blue'>      add_example</font>(${<font color='#BB00BB'>name</font>})
<font color='blue'>   endif</font>()
<font color='blue'>endmacro</font>()

<font color='#009900'># The deep learning toolkit requires a compiler with essentially complete C++11</font>
<font color='#009900'># support.  However, versions of Visual Studio prior to October 2016 didn't</font>
<font color='#009900'># provide enough C++11 support to compile the DNN tooling, but were good enough</font>
<font color='#009900'># to compile the rest of dlib.  So new versions of Visual Studio 2015 will</font>
<font color='#009900'># work.  However, Visual Studio 2017 had some C++11 support regressions, so it</font>
<font color='#009900'># wasn't until December 2017 that Visual Studio 2017 had good enough C++11</font>
<font color='#009900'># support to compile the DNN examples.  So if you are using Visual Studio, make</font>
<font color='#009900'># sure you have an updated version if you want to compile the DNN code.</font>
<font color='#009900'>#</font>
<font color='#009900'># Also note that Visual Studio users should give the -T host=x64 option so that</font>
<font color='#009900'># CMake will instruct Visual Studio to use its 64bit toolchain.  If you don't</font>
<font color='#009900'># do this then by default Visual Studio uses a 32bit toolchain, WHICH RESTRICTS</font>
<font color='#009900'># THE COMPILER TO ONLY 2GB OF RAM, causing it to run out of RAM and crash when</font>
<font color='#009900'># compiling some of the DNN examples.  So generate your project with a statement</font>
<font color='#009900'># like this:</font>
<font color='#009900'>#   cmake .. -G "<font color='#CC0000'>Visual Studio 14 2015 Win64</font>" -T host=x64 </font>
<font color='blue'>if </font>(NOT USING_OLD_VISUAL_STUDIO_COMPILER)
<font color='blue'>   add_example</font>(dnn_metric_learning_ex)
<font color='blue'>   add_gui_example</font>(dnn_face_recognition_ex)
<font color='blue'>   add_example</font>(dnn_introduction_ex)
<font color='blue'>   add_example</font>(dnn_introduction2_ex)
<font color='blue'>   add_example</font>(dnn_introduction3_ex)
<font color='blue'>   add_example</font>(dnn_inception_ex)
<font color='blue'>   add_gui_example</font>(dnn_mmod_ex)
<font color='blue'>   add_gui_example</font>(dnn_mmod_face_detection_ex)
<font color='blue'>   add_gui_example</font>(random_cropper_ex)
<font color='blue'>   add_gui_example</font>(dnn_mmod_dog_hipsterizer)
<font color='blue'>   add_gui_example</font>(dnn_imagenet_ex)
<font color='blue'>   add_gui_example</font>(dnn_mmod_find_cars_ex)
<font color='blue'>   add_gui_example</font>(dnn_mmod_find_cars2_ex)
<font color='blue'>   add_example</font>(dnn_mmod_train_find_cars_ex)
<font color='blue'>   add_gui_example</font>(dnn_semantic_segmentation_ex)
<font color='blue'>   add_gui_example</font>(dnn_instance_segmentation_ex)
<font color='blue'>   add_example</font>(dnn_imagenet_train_ex)
<font color='blue'>   add_example</font>(dnn_semantic_segmentation_train_ex)
<font color='blue'>   add_example</font>(dnn_instance_segmentation_train_ex)
<font color='blue'>   add_example</font>(dnn_metric_learning_on_images_ex)
<font color='blue'>   add_gui_example</font>(dnn_dcgan_train_ex)
<font color='blue'>   add_gui_example</font>(dnn_yolo_train_ex)
<font color='blue'>   add_gui_example</font>(dnn_self_supervised_learning_ex)
<font color='blue'>endif</font>()


<font color='blue'>if </font>(DLIB_NO_GUI_SUPPORT)
<font color='blue'>   message</font>("<font color='#CC0000'>No GUI support, so we won't build the webcam_face_pose_ex example.</font>")
<font color='blue'>else</font>()
<font color='blue'>   find_package</font>(OpenCV QUIET)
<font color='blue'>   if </font>(OpenCV_FOUND)
<font color='blue'>      include_directories</font>(${<font color='#BB00BB'>OpenCV_INCLUDE_DIRS</font>})

<font color='blue'>      add_executable</font>(webcam_face_pose_ex webcam_face_pose_ex.cpp)
<font color='blue'>      target_link_libraries</font>(webcam_face_pose_ex dlib::dlib ${<font color='#BB00BB'>OpenCV_LIBS</font>} )
<font color='blue'>   else</font>()
<font color='blue'>      message</font>("<font color='#CC0000'>OpenCV not found, so we won't build the webcam_face_pose_ex example.</font>")
<font color='blue'>   endif</font>()
<font color='blue'>endif</font>()



<font color='#009900'>#here we apply our macros </font>
<font color='blue'>add_gui_example</font>(3d_point_cloud_ex)
<font color='blue'>add_example</font>(bayes_net_ex)
<font color='blue'>add_example</font>(bayes_net_from_disk_ex)
<font color='blue'>add_gui_example</font>(bayes_net_gui_ex)
<font color='blue'>add_example</font>(bridge_ex)
<font color='blue'>add_example</font>(bsp_ex)
<font color='blue'>add_example</font>(compress_stream_ex)
<font color='blue'>add_example</font>(config_reader_ex)
<font color='blue'>add_example</font>(custom_trainer_ex)
<font color='blue'>add_example</font>(dir_nav_ex)
<font color='blue'>add_example</font>(empirical_kernel_map_ex)
<font color='blue'>add_gui_example</font>(face_detection_ex)
<font color='blue'>add_gui_example</font>(face_landmark_detection_ex)
<font color='blue'>add_gui_example</font>(fhog_ex)
<font color='blue'>add_gui_example</font>(fhog_object_detector_ex)
<font color='blue'>add_example</font>(file_to_code_ex)
<font color='blue'>add_example</font>(graph_labeling_ex)
<font color='blue'>add_gui_example</font>(gui_api_ex)
<font color='blue'>add_gui_example</font>(hough_transform_ex)
<font color='blue'>add_gui_example</font>(image_ex)
<font color='blue'>add_example</font>(integrate_function_adapt_simp_ex)
<font color='blue'>add_example</font>(iosockstream_ex)
<font color='blue'>add_example</font>(kcentroid_ex)
<font color='blue'>add_example</font>(kkmeans_ex)
<font color='blue'>add_example</font>(krls_ex)
<font color='blue'>add_example</font>(krls_filter_ex)
<font color='blue'>add_example</font>(krr_classification_ex)
<font color='blue'>add_example</font>(krr_regression_ex)
<font color='blue'>add_example</font>(learning_to_track_ex)
<font color='blue'>add_example</font>(least_squares_ex)
<font color='blue'>add_example</font>(linear_manifold_regularizer_ex)
<font color='blue'>add_example</font>(logger_custom_output_ex)
<font color='blue'>add_example</font>(logger_ex)
<font color='blue'>add_example</font>(logger_ex_2)
<font color='blue'>add_example</font>(matrix_ex)
<font color='blue'>add_example</font>(matrix_expressions_ex)
<font color='blue'>add_example</font>(max_cost_assignment_ex)
<font color='blue'>add_example</font>(member_function_pointer_ex)
<font color='blue'>add_example</font>(mlp_ex)
<font color='blue'>add_example</font>(model_selection_ex)
<font color='blue'>add_gui_example</font>(mpc_ex)
<font color='blue'>add_example</font>(multiclass_classification_ex)
<font color='blue'>add_example</font>(multithreaded_object_ex)
<font color='blue'>add_gui_example</font>(object_detector_advanced_ex)
<font color='blue'>add_gui_example</font>(object_detector_ex)
<font color='blue'>add_gui_example</font>(one_class_classifiers_ex)
<font color='blue'>add_example</font>(optimization_ex)
<font color='blue'>add_example</font>(parallel_for_ex)
<font color='blue'>add_example</font>(pipe_ex)
<font color='blue'>add_example</font>(pipe_ex_2)
<font color='blue'>add_example</font>(quantum_computing_ex)
<font color='blue'>add_example</font>(queue_ex)
<font color='blue'>add_example</font>(rank_features_ex)
<font color='blue'>add_example</font>(running_stats_ex)
<font color='blue'>add_example</font>(rvm_ex)
<font color='blue'>add_example</font>(rvm_regression_ex)
<font color='blue'>add_example</font>(sequence_labeler_ex)
<font color='blue'>add_example</font>(sequence_segmenter_ex)
<font color='blue'>add_example</font>(server_http_ex)
<font color='blue'>add_example</font>(server_iostream_ex)
<font color='blue'>add_example</font>(sockets_ex)
<font color='blue'>add_example</font>(sockstreambuf_ex)
<font color='blue'>add_example</font>(std_allocator_ex)
<font color='blue'>add_gui_example</font>(surf_ex)
<font color='blue'>add_example</font>(svm_c_ex)
<font color='blue'>add_example</font>(svm_ex)
<font color='blue'>add_example</font>(svm_pegasos_ex)
<font color='blue'>add_example</font>(svm_rank_ex)
<font color='blue'>add_example</font>(svm_sparse_ex)
<font color='blue'>add_example</font>(svm_struct_ex)
<font color='blue'>add_example</font>(svr_ex)
<font color='blue'>add_example</font>(thread_function_ex)
<font color='blue'>add_example</font>(thread_pool_ex)
<font color='blue'>add_example</font>(threaded_object_ex)
<font color='blue'>add_example</font>(threads_ex)
<font color='blue'>add_example</font>(timer_ex)
<font color='blue'>add_gui_example</font>(train_object_detector)
<font color='blue'>add_example</font>(train_shape_predictor_ex)
<font color='blue'>add_example</font>(using_custom_kernels_ex)
<font color='blue'>add_gui_example</font>(video_tracking_ex)
<font color='blue'>add_example</font>(xml_parser_ex)


<font color='blue'>if </font>(DLIB_LINK_WITH_SQLITE3)
<font color='blue'>   add_example</font>(sqlite_ex)
<font color='blue'>endif</font>()


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